From bb22bfec6deae04b095d813b46509b99628e4d27 Mon Sep 17 00:00:00 2001
From: Mattias Reichel <mattias.reichel@gmail.com>
Date: Fri, 8 Dec 2023 11:16:25 +0100
Subject: [PATCH] Groovy 3.0.19 compatibility (#485)

* Upgrade to Groovy 3.0.19

* Make project compatible with Groovy 3.0.19

* Revert to Groovy 3.0.11
---
 .../grails/plugin/json/view/test/TestRequestConfigurer.groovy   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/json/src/main/groovy/grails/plugin/json/view/test/TestRequestConfigurer.groovy b/json/src/main/groovy/grails/plugin/json/view/test/TestRequestConfigurer.groovy
index b56f3b144..754f6f525 100644
--- a/json/src/main/groovy/grails/plugin/json/view/test/TestRequestConfigurer.groovy
+++ b/json/src/main/groovy/grails/plugin/json/view/test/TestRequestConfigurer.groovy
@@ -26,7 +26,7 @@ class TestRequestConfigurer implements Request {
     String contentType = 'application/json'
     String characterEncoding = 'UTF-8'
     Map<String, List<String>> headers = new LinkedHashMap<String, List<String>>().withDefault { String name ->
-        return []
+        return [] as List<String>
     }
     Map<String, Object> attributes = new LinkedHashMap<String, Object>()